Vendor import of llvm release_31 branch r155985:

http://llvm.org/svn/llvm-project/llvm/branches/release_31@155985

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/ExecutionEngine/RuntimeDyld/ObjectImage.h b/lib/ExecutionEngine/RuntimeDyld/ObjectImage.h
new file mode 100644
index 0000000..8206ead
--- /dev/null
+++ b/lib/ExecutionEngine/RuntimeDyld/ObjectImage.h
@@ -0,0 +1,59 @@
+//===---- ObjectImage.h - Format independent executuable object image -----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares a file format independent ObjectImage class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
+#define LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
+
+#include "llvm/Object/ObjectFile.h"
+
+namespace llvm {
+
+class ObjectImage {
+  ObjectImage(); // = delete
+  ObjectImage(const ObjectImage &other); // = delete
+protected:
+  object::ObjectFile *ObjFile;
+
+public:
+  ObjectImage(object::ObjectFile *Obj) { ObjFile = Obj; }
+  virtual ~ObjectImage() {}
+
+  virtual object::symbol_iterator begin_symbols() const
+              { return ObjFile->begin_symbols(); }
+  virtual object::symbol_iterator end_symbols() const
+              { return ObjFile->end_symbols(); }
+
+  virtual object::section_iterator begin_sections() const
+              { return ObjFile->begin_sections(); }
+  virtual object::section_iterator end_sections() const
+              { return ObjFile->end_sections(); }
+
+  virtual /* Triple::ArchType */ unsigned getArch() const
+              { return ObjFile->getArch(); }
+
+  // Subclasses can override these methods to update the image with loaded
+  // addresses for sections and common symbols
+  virtual void updateSectionAddress(const object::SectionRef &Sec,
+                                    uint64_t Addr) {}
+  virtual void updateSymbolAddress(const object::SymbolRef &Sym, uint64_t Addr)
+              {}
+
+  // Subclasses can override this method to provide JIT debugging support
+  virtual void registerWithDebugger() {}
+  virtual void deregisterWithDebugger() {}
+};
+
+} // end namespace llvm
+
+#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
+